Alright, let's work through 4997981 times 29398345 step by step
4997981 × 29398345 = 29398345 × (4997981)
+ 29398345 × 1 that equals 29398345
+ 29398345 × 80 that is equal 2351867600
+ 29398345 × 900 what gives us 26458510500
+ 29398345 × 7000 that equals 205788415000
+ 29398345 × 90000 yielding 2645851050000
+ 29398345 × 900000 which equals 26458510500000
+ 29398345 × 4000000 giving us 117593380000000

= 146932369741445
